Well, I don't about "best" villians, but I figured I'd post some of my most recent favorites.
Names: Lilith and Samael
Production:
Farmhouse (2008)
Played by: Kelly Hu and Steven Weber
Memorable Lines:
"It's too late for that, Scarlet. When they call us, it's too late." - Lilith
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"Shoot me, Chad. You'd be doin' me a f#%kin' favor!" - Samael
Why: Well, you'd have to see the movie (primarily because I don't want to spoil things for you guys). Separate or together, these two are nothing but evil.
Name: Kazuo Kiriyama
Production:
Battle Royale (2000)
Played by: Masanobu Ando
Memorable lines: None.
Why: Seriously, this guy is both silent and deadly. And to my surprised, he's just as equally deadly in both the original novel and the film adaptation. This is the kind of guy you don't want to run into during the game.
Name: John Shooter
Production:
Secret Window (2004)
Played by: John Turturro
Memorable Lines:
"You stole my story."
Why: Honestly, Turturro has played various characters, everything from the mousey character to the authority figure. His portrayal of John Shooter is the typical sinister that only Stephen King could provide. From his first appearance, you get a since of danger with him.
Names: Jesse Hooker, Diamondback and Severen
Production:
Near Dark (1987)
Played by: Lance Henriksen, Jenette Goldstein and Bill Paxton.
Memorable Lines:
"We keep odd hours." - Severen
Why: In this day of "Twilight", where every tweenie thinks that vampires glow in the sunlight and want nothing more to do than love you, I tell them, "If you want a real vampire movie, watch "Near Dark." That's how vampires would be. They don't want to love you, they don't give a crap about you. All they want to do is eat you." And I honestly believe what I say. The actors pull off the roles perfectly, even though that they were casted together after "Aliens" was just a pure coincidence that lead to Kathryn Bigelow and James Cameron to meet, and eventually do "Point Break." But this is one of the better vampire movies, though it was not a commercial success because it was released at the same time as "The Lost Boys." (which is just as equally good)
Name: Jimmy Dolan
Production:
Dolan's Cadillac (2009)
Played by: Christian Slater
Memorable Lines:
"For the love of God, Robinson!"
Why: Now, I don't normally go for roles with Christian Slater in them, except for maybe his performances in films of the 1980s, such as "Gleaming the Cube" and "Heathers." And I have read the Stephen King novella that the movie is based on (which is a great read, by the way), and I've got to admit, though Slater doesn't match the physical description of Dolan, he does capture the mentality and ruthlessness of the character. As crazy as it sounds, he made a better Dolan than Stallone would have done (note: originally, Sylvester Stallone was originally slated to play Dolan). From the moment you see him to the final moment, Christian Slater sold the role, from the ruthless mobster to the desperation of the final moment.